tested several 64GB u10 mSD cards... all woking... a few sometimes are not recognized... but after a remove/re-insert they become 'convinced' to work...
– ZEEJan 25 at 19:10

I have a 128GB u10 mSD ready to test... (been testing it in a PC as a physical storage for VMs)... as soon as I can I will test it too with R-Pis... them 'feedback I will give!!! ;-)
– ZEEJan 25 at 19:12

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